(The harder )you study ,(the better)progress you will make.A,The hard ,the good B The more hard ,the better C The more hardly ,the well D The harder,the better 请问为什么选择答案D .还有顺便说一下其他答案错误的地方.

问题描述:

(The harder )you study ,(the better)progress you will make.
A,The hard ,the good B The more hard ,the better C The more hardly ,the well
D The harder,the better
请问为什么选择答案D .还有顺便说一下其他答案错误的地方.